Hi all,
I am running hadoop-0.20.2 on single node cluster,
I run the command
hadoop fsck /
it shows error:
Exception in thread "main" java.net.UnknownHostException: http
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:378)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:473)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:203)
at sun.net.www.http.HttpClient.New(HttpClient.java:290)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:995)
at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:931)
at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:849)
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1299)
at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:123)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.hdfs.tools.DFSck.main(DFSck.java:159)
Please suggest why it so.. it should show the health status:
